The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 10, 2015

Filed:

Apr. 07, 2015
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Masahiro Fukazawa, Chino, JP;

Naoki Sudo, Shiojiri, JP;

Akito Sato, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/2132 (2013.01); B41J 2/045 (2013.01);
Abstract

A printing apparatus includes a printing head that includes a nozzle array, and a discharging control unit. The nozzle array is divided into a plurality of nozzle groups that is configured by a predetermined number of nozzles. The discharge control unit, when an abnormal nozzle having abnormal function of discharging the ink is included in any of the plurality of nozzle groups in a case of discharging the ink to a band area from the nozzle of each of the plurality of nozzle groups by assigning halftone data to the nozzle of each of the plurality of nozzle groups, assigns the halftone data assigned to the abnormal nozzle to the nozzle that is included in other pluralities of nozzle groups which are not the nozzle group including the abnormal nozzle according to a ratio that is a preset assignment ratio for each of the other pluralities of nozzle groups.


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